Solve the equation by using the quadratic formula.x2 + 7x + 7 = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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An open rectangular box with volume 6 m³ has a square base. Express the surface area of the box as a function S(x) of the length x of a side of the base.
What will be an ideal response?
Mathematics
Evaluate the definite integral.
A. 1.5903 B. 2.5903 C. 0.7951 D. 1.2951
Mathematics
If y varies directly as x, find a linear function which relates them.y = 0.4 when x = 0.2
A. f(x) = 2x B. f(x) = x + 0.2 C. f(x) = 0.5x D. f(x) = 0.2x
Mathematics
Factor the trinomial, or state that the trinomial is prime.7x2 + 31x + 20
A. (7x + 5)(x - 4) B. (7x - 4)(x + 5) C. prime D. (7x + 4)(x - 5)
Mathematics